Kimio Uekama

Title: Kimio Uekama: Innovator in Optical Packet Switching Technology

Introduction

Kimio Uekama is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of optical packet switching technology, holding a total of nine patents. His work has been instrumental in advancing communication systems and enhancing data transmission efficiency.

Latest Patents

Uekama's latest patents include an optical packet switching system, an optical packet switching device, and an optical packet transmitter device. The optical packet switching device is designed with a first input unit and a second input unit for receiving optical packet signals that contain destination information and wavelength information. It features an optical switch unit for routing these signals, a branching unit for splitting the received signals, and an analyzer unit for examining the header of the branched signals to detect destination and wavelength information. Additionally, it includes an output competition determination unit that checks for temporal competition of the optical packet signals based on destination information and decides whether to transmit or discard the signals based on wavelength information.

The optical packet transmitter device comprises a detection unit for identifying packet-length and priority information from a received Ether signal. It has a setting unit that establishes a division factor and a wavelength for the optical packet signal based on priority. The device also includes a header generation unit for creating a header with destination, packet-length, priority, and wavelength information. Furthermore, it features a transmission processing unit that divides the Ether signal according to the set division factor and generates multiple packet signals, along with a header insertion unit for embedding the generated header into at least one packet signal. Finally, an electrical/optical converter unit converts the packet signals into optical packet signals of various wavelengths.

Career Highlights

Throughout his career, Uekama has worked with notable companies such as Fujitsu Corporation and Fujitsu Telecom Networks Limited. His experience in these organizations has allowed him to develop and refine his innovative technologies in optical communications.

Collaborations

Some of Uekama's coworkers include Shota Mori and Kazuo Takatsu. Their collaboration has contributed to the advancement of optical packet switching technologies.

Conclusion

Kimio Uekama's contributions to optical packet switching technology have significantly impacted the field of telecommunications. His innovative patents and career achievements reflect his dedication to enhancing data transmission systems.